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  2. Vacutainer - Wikipedia

    en.wikipedia.org/wiki/Vacutainer

    Vacutainer. A vacutainer blood collection tube is a sterile glass or plastic test tube with a colored rubber stopper creating a vacuum seal inside of the tube, facilitating the drawing of a predetermined volume of liquid. Vacutainer tubes may contain additives designed to stabilize and preserve the specimen prior to analytical testing.

  3. Round-bottom flask - Wikipedia

    en.wikipedia.org/wiki/Round-bottom_flask

    Round-bottom flasks (also called round-bottomed flasks or RB flasks) are types of flasks having spherical bottoms used as laboratory glassware, mostly for chemical or biochemical work. [ 1] They are typically made of glass for chemical inertness; and in modern days, they are usually made of heat-resistant borosilicate glass.

  4. Reagent bottle - Wikipedia

    en.wikipedia.org/wiki/Reagent_bottle

    A dark glass bottle with ground glass plug. Reagent bottles, also known as media bottles or graduated bottles, are containers made of glass, plastic, borosilicate or related substances, and topped by special caps or stoppers. They are intended to contain chemicals in liquid or powder form for laboratories and stored in cabinets or on shelves.

  5. Glass bottle - Wikipedia

    en.wikipedia.org/wiki/Glass_bottle

    Various beer bottles. A glass bottle is a bottle made from glass. Glass bottles can vary in size considerably, but are most commonly found in sizes ranging between about 200 millilitres and 1.5 litres. Common uses for glass bottles include food condiments, soda, liquor, cosmetics, pickling and preservatives; they are occasionally also notably ...

  6. Laboratory flask - Wikipedia

    en.wikipedia.org/wiki/Laboratory_flask

    At the opening(s) at top of the neck of some glass flasks such as round-bottom flasks, retorts, or sometimes volumetric flasks, there are outer (or female) tapered (conical) ground glass joints. Some flasks, especially volumetric flasks, come with a laboratory rubber stopper, bung, or cap for capping the opening at the top of the neck. Such ...

  7. Separatory funnel - Wikipedia

    en.wikipedia.org/wiki/Separatory_funnel

    A separating funnel takes the shape of a cone with a hemispherical end. It has a stopper at the top and stopcock (tap), at the bottom. Separating funnels used in laboratories are typically made from borosilicate glass and their taps are made from glass or PTFE. Typical sizes are between 30 mL and 3 L. In industrial chemistry they can be much ...

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